Tensile static and fatigue behaviour of sisal fibres |
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| Affiliation: | 1. Laboratoire de Mécanique & Structures (LMS), Université 08 Mai 45, Guelma, Algeria;2. Aeronautical Engineering Department, Faculty of Engineering, King Abdulaziz University, Jeddah, Saudi Arabia;3. Advanced Composites Centre for Innovation and Science, University of Bristol, BS8 1TR Bristol, UK;1. College of Materials Science and Engineering, Wuhan Textile University, Wuhan 430073, Hubei, People’s Republic of China;2. School of Science, MOE Key Laboratory for Non-Equilibrium Synthesis and Modulation of Condensed Matter, Xi’an Jiaotong University, Xi’an 710049, ShaanXi, People’s Republic of China;3. Institute of Technology and Science, The University of Tokushima, 2-1 Minamijosanjima-cho, Tokushima 770-8506, Japan;1. C2MA, Ecole des mines d’Alès, F-30319 Alès, France;2. FEMTO-ST UMR6174, Univ. Bourgogne Franche-Comté, F-25000 Besançon, France;3. DRIVE EA1859, Univ. Bourgogne Franche-Comté, F-58000 Nevers, France;1. Department of Civil Engineering, Noorul Islam University, Kumarakovil, Kanyakumari, Tamil Nadu, India;2. Department of Civil Engineering, ACS College of Engineering, Bangalore 74, India;1. Department of Architecture Construction Conservation (DACC), University IUAV of Venice, Dorsoduro 2206, 30123 Venezia, Italy;2. Department of Engineering and Architecture, University of Trieste, Piazzale Europa 1, 34127 Trieste, Italy;3. ISISE, Institute of Science and Innovation for Bio-Sustainability (IB-S), Department of Civil Engineering, University of Minho, Guimarães, Portugal;1. Laboratoire de Mécanique Appliquée des Nouveaux Matériaux (LMANM), Université 8 Mai 1945, Guelma 24000, Algeria;2. Département de Mécanique, Université Larbi Tébessi -Tébessa 12000, Algeria;3. Department of Mechanical Engineering, State University of Amazonas, Manaus, AM, Brazil;4. University of Coimbra, CEMMPRE, Department of Mechanical Engineering, 3030-788 Coimbra, Portugal;5. Department of Aerospace Engineering, University of Bristol, Queens Building, University Walk, BS8 1TR Bristol, UK;6. Univ. Grenoble Alpes, CNRS, Grenoble INP, LGP2, F-38000, France |
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| Abstract: | The work describes the quasistatic tensile and fatigue behaviour of as-received sisal fibres. Natural-based reinforced composites are gaining significant interest within the structural community, due to their interesting mechanical properties, recyclability and environmentally-sustainable production and use. Natural fibres such as sisal constitute an excellent reinforcement material, due to the low extraction costs from plants, and high level of recycling involved in their manufacturing process. In this work the diameter, Young’s modulus, strength and strain to failure over 15 different samples are measured and compared against data from open literature. Tensile cyclic fatigue loading at eight loading levels (from 0.6 to 0.95) has been carried out. The maximum forces involved (between 9 N and 22 N) are considerably higher than the ones used previously in open literature, and lead to significant dependence of the hysteresis loops, energy dissipation and S–N behaviour of the sisal fibres versus the cycle and loading ratio levels. The results obtained from this work can be used to predict from a fatigue and structural integrity point of view the behaviour of sisal-based reinforced composites with high load bearing capability, and extend the design envelope of this class of natural-reinforced materials. |
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